Abstract
The interaction of a light pulse with reflective and either a passive, lossy
medium or an active medium with population inversion gives rise to elastic
waves, already as a result of the change in the momentum carried by the incident
light. We derived a 1D analytic displacement field that quantitatively predicts
the shape and amplitude of such waves in semi-infinite and finite elastic rods
in a half-space and infinite layer. The results are compatible with the
conservation of momentum and energy of the light-matter system. They can be used
as a signature for direct measurements of the radiation-pressure-induced elastic
waves and to clarify the Abraham–Minkowski momentum dilemma.
© 2013 Optical Society of America
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